hdf5_chunking_query_bmr

Merge pull request #342 in HDFFV/hdf5 from ~BMRIBLER/hdf5_bmr_cpp2:develop to develop

* commit '50ac3cd6ecc37bb2196bcebe8a202711e315759d':
  Description:     Miscellaneous clean-up: format and comments Platforms tested:     Linux/64 (jelly)     Darwin (osx1010test)